Line Class Reference

A line segment, for use in detector masks. More...

Inheritance diagram for Line:

Collaboration diagram for Line:

Public Member Functions
	Line (double x1, double y1, double x2, double y2)
Line *	clone () const
bool	contains (const Bin1D &binx, const Bin1D &biny) const
	Returns true if area defined by two bins is inside or on border of polygon (more precisely, if mid point of two bins satisfy this condition). More...
bool	contains (double x, double y) const
	Returns true if point with given coordinates is inside or on border of the shape. More...
virtual void	transferToCPP ()
	Used for Python overriding of clone (see swig/tweaks.py) More...

Protected Member Functions
virtual void	print (std::ostream &ostr) const

Private Attributes
const char *const	m_name
double	m_x1
double	m_x2
double	m_y1
double	m_y2

Detailed Description

A line segment, for use in detector masks.

Definition at line 23 of file Line.h.

Constructor & Destructor Documentation

Line()

Line::Line	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Definition at line 29 of file Line.cpp.

    : IShape2D("Line"), m_x1(x1), m_y1(y1), m_x2(x2), m_y2(y2)
{
}

Referenced by clone().

Member Function Documentation

clone()

Line* Line::clone ( ) const

inlinevirtual

Implements IShape2D.

Definition at line 26 of file Line.h.

{ return new Line(m_x1, m_y1, m_x2, m_y2); }

References Line(), m_x1, m_x2, m_y1, and m_y2.

Here is the call graph for this function:

contains() [1/2]

bool Line::contains ( const Bin1D &  binx, const Bin1D &  biny  ) const

virtual

Returns true if area defined by two bins is inside or on border of polygon (more precisely, if mid point of two bins satisfy this condition).

Implements IShape2D.

Definition at line 48 of file Line.cpp.

{
    std::vector<point_t> box_points;
    box_points.push_back(point_t(binx.m_lower, biny.m_lower));
    box_points.push_back(point_t(binx.m_lower, biny.m_upper));
    box_points.push_back(point_t(binx.m_upper, biny.m_upper));
    box_points.push_back(point_t(binx.m_upper, biny.m_lower));
    box_points.push_back(point_t(binx.m_lower, biny.m_lower));
 
    std::vector<point_t> line_points;
    line_points.push_back(point_t(m_x1, m_y1));
    line_points.push_back(point_t(m_x2, m_y2));
 
    return intersects(line_t(box_points.begin(), box_points.end()),
                      line_t(line_points.begin(), line_points.end()));
}

References Bin1D::m_lower, Bin1D::m_upper, m_x1, m_x2, m_y1, and m_y2.

contains() [2/2]

bool Line::contains ( double  x, double  y  ) const

virtual

Returns true if point with given coordinates is inside or on border of the shape.

Implements IShape2D.

Definition at line 34 of file Line.cpp.

{
    point_t p(x, y);
    line_t line;
    line.push_back(point_t(m_x1, m_y1));
    line.push_back(point_t(m_x2, m_y2));
 
    double d = distance(p, line);
 
    return d < std::numeric_limits<double>::epsilon();
}

References m_x1, m_x2, m_y1, and m_y2.

print()

virtual void IShape2D::print ( std::ostream &  ostr ) const

inlineprotectedvirtualinherited

Reimplemented in Polygon.

Definition at line 46 of file IShape2D.h.

{ ostr << m_name; }

References IShape2D::m_name.

transferToCPP()

virtual void ICloneable::transferToCPP ( )

inlinevirtualinherited

Used for Python overriding of clone (see swig/tweaks.py)

Definition at line 34 of file ICloneable.h.

Member Data Documentation

m_name

const char* const IShape2D::m_name

privateinherited

Definition at line 49 of file IShape2D.h.

Referenced by IShape2D::print().

m_x1

double Line::m_x1

private

Definition at line 32 of file Line.h.

Referenced by clone(), and contains().

m_x2

double Line::m_x2

private

Definition at line 32 of file Line.h.

Referenced by clone(), and contains().

m_y1

double Line::m_y1

private

Definition at line 32 of file Line.h.

Referenced by clone(), and contains().

m_y2

double Line::m_y2

private

Definition at line 32 of file Line.h.

Referenced by clone(), and contains().

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The documentation for this class was generated from the following files:

• /home/www/ba/Device/Mask/Line.h
• /home/www/ba/Device/Mask/Line.cpp